Popsugar Celebrity The Royals Prince William and Kate Middleton Relationship Timeline Prince William and Kate Middleton's Royal Road to Baby #3 February 14, 2018 by Allie Merriam View On One Page Photo 7 of 35 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 April 2008: Officially Side by Side Kate joins William for a high-profile event in April 2008, the first since their breakup. She watches as he graduates from a Royal Airfare pilot training course in Lincolnshire, England. Previous Next Start Slideshow Princess CharlotteThe RoyalsKate MiddletonPrince WilliamPrince GeorgeCelebrity KidsThe British Royals